Update authors

Signed-off-by: Tamal Saha <tamal@appscode.com>

data/authors/sk-ali-arman.json

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+{
+    "name": "SK Ali Arman",
+    "designation": "Software Engineer",
+    "biography": "SK Ali Arman is a Software Engineer, working at AppsCode Inc. He has been involved with Kubernetes project since 2023 and very enthusiastic about Kubernetes and open source in general.",
+    "profile": "/assets/images/authors/profile-photos-84x84/arman.jpg",
+    "email": "arman@appscode.com",
+    "github": "https://github.com/sheikh-arman",
+    "linkedin": "https://www.linkedin.com/in/sk-arman-hossain-9662981b9/"
+}

data/authors/zubair-ahmed-rafi.json

@@ -0,0 +1,9 @@
+{
+    "name": "Zubair Ahmed Rafi",
+    "designation": "Software Engineer",
+    "biography": "Zubair Ahmed Rafi is a Software Engineer, working at AppsCode Inc. He is involved with various frontend projects which are built with cutting edge technologies",
+    "profile": "/assets/images/authors/profile-photos-84x84/zubair.jpg",
+    "email": "zubair@appscode.com",
+    "github": "https://github.com/walleeva2018",
+    "linkedin": "https://www.linkedin.com/in/zubair-ahmed-rafi-95ba3322a/"
+}